.text-center{
    text-align: center;
}
.text-right{
    text-align: right;
}
.left{
    float: left;
}
.right{
    float: right;
}
.over-flow{
    overflow: hidden;
}
.col-6{
    width: 50%;
}

.box{
    display: -webkit-flex; /* Safari */
    display: flex;
}

.flex1 {
    flex: 1;
}
.pl10 {
    padding-left: 10px;
}
.pr10 {
    padding-right: 10px;
}
.plr10 {
    padding-left: 10px;
    padding-right: 10px;
}

.white{
    color: white;
}

.center{
    margin: 0 auto;
}

.margin-top-10{
    margin-top: 10px;
}

.margin-top-20{
    margin-top: 20px;
}